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HAUBER-Elektronik GmbH 

 

 

 

 

Scope of this instruction manual 

This instruction manual for the HE250-type vibration monitoring unit applies to the following 
versions: 
Standard, Zone-1-21 and Zone-2-22. 
The functionality of the versions is identical. The Zone-1-21 and Zone-2-22 versions possess 
additional certifications and labels which permit use in potentially exclusive atmospheres. 
For further information, see chapter "Fields of application and example labels

 on page 7. 

 

Vibration Monitoring Unit Type HE250 

 

The HE250 type vibration monitoring unit is used to measure and monitor absolute bearing 
vibrations in machines in line with DIN ISO 10816. Furthermore, vibration monitoring determines 
a bearing status parameter for the roller bearing diagnostic. 
It offers the following features: 
• 

Two limit values and associated delay timings can be adjusted separately. 

• 

The two relay outputs will signal any exceeding of the relevant defined limit values. This 
can be used to generate a pre-alarm and a main alarm. 

• 

Measurement parameter: The effective value (rms) of the vibration velocity (mm/s). 

• 

Analogue current output: Interference-free DC signal from 4-20 mA, proportional to the 
measuring range of the monitoring unit. 

• 

Analogue current output: Interference-free DC signal from 4-20 mA, bearing status 
parameter 

 

 

Intended Use 

 

Type HE250 is used to protect machines and mechanical equipment against undue strong 
vibrations. Its use is only permissible within the specifications stated in the data sheet. It is used 
exclusively for measuring mechanical vibrations. 

Main fields of application: 

Fans, ventilators, 

blowers, electric motors, pumps, centrifuges, separators, generators, turbines and similar 
oscillating mechanical equipment. 

 

If the equipment is used in a manner not specified by the manufacturer, the 
protection provided by the equipment may be impaired.

 

 

 

Scope of supply 

 

All versions include: 

• 

Vibration monitoring 

• 

Cylinder head screw with hex socket, M8 x 20 mm 

• 

Spring washers for M8 

• 

Seal label 

• 

Operating instructions 

 

 

 

Содержание HE250 Series

Страница 1: ...IECEx Vibration speed mm s rms Bearing status parameter for roller bearing diagnostic ATEX IECEx EACEx Zone 2 22 and 1 21 2 Relay Switching Outputs 2 analogue current outputs 4 20 mA Frequency range 1...

Страница 2: ...or to commissioning the product the instruction manual must be read and understood All rights including translation are reserved Subject to changes Should any question arise please contact HAUBER Elek...

Страница 3: ...data 10 11 3 Permitted operating temperature range 10 11 4 Operating range of the vibration monitoring unit 11 11 5 Typical frequency response 12 11 6 Mechanical data 13 11 7 Housing dimensions 13 12...

Страница 4: ...are required then they can also be sourced in other languages The product has been constructed to the state of the art Nevertheless it is impossible to rule out dangers emerging from this product whi...

Страница 5: ...ceeding of the relevant defined limit values This can be used to generate a pre alarm and a main alarm Measurement parameter The effective value rms of the vibration velocity mm s Analogue current out...

Страница 6: ...is exclusively liable for the appropriate configuration of the electrical connections with respect to explosion protection regulations and correct commissioning If the system is installed by a sub co...

Страница 7: ...ing HE250 02 Fields of application Atmospheres not at risk of explosion Potentially explosive atmospheres of zones 1 and 22 Potentially explosive atmospheres of zones 1 and 22 Marking Type plate Stand...

Страница 8: ...of the vibration monitoring unit must be performed annually in order to test the relay switching 10 3 Instructions for the Fail Safe State When the power supply is switched on the vibration monitorin...

Страница 9: ...mm s rms 0 20 mm s rms 0 25 mm s rms 0 32 mm s rms 0 50 mm s rms 0 64 mm s rms 0 128 mm s rms Measuring accuracy 10 as per DIN ISO 2954 Transverse sensitivity 5 Frequency range 10 Hz 1 000 Hz standar...

Страница 10: ...e supply line is protected by a UL approved fuse for UL compliant sensor operation Tab 2 Electrical data 11 3 Permitted operating temperature range Version Ambient temperature TA Measuring head TM in...

Страница 11: ...information see chapter Fig 1 on page 11 shows the operating range of the vibration monitoring unit which is limited by the maximum measurable vibration velocity in mm s depending on the frequency in...

Страница 12: ...z 1 200 Hz acceleration sensor Fig 2 Typical frequency response 10 Hz 1 000 Hz 1 Frequency in Hz 2 Amplification in dB 1 Hz to 1 000 Hz The frequency response is recorded using two reference sensors 1...

Страница 13: ...andard Mounting Housing must be earthed via the M8 fastening Cover tightening torque 5 Nm Measuring direction Along the fastening axis Weight ca 500 g Protection class IP 66 67 Cover and plug connecti...

Страница 14: ...Pin 6 Relay 1 Pin 7 Relay 2 Pin 8 Relay 2 Version Integrated cable Pin 1 white 24 V DC Pin 2 brown GND Pin 3 green 4 20 mA vibration amplitude Pin 4 yellow 4 20 mA bearing status parameter Pin 5 grey...

Страница 15: ...lay LED status OK Limit value Closed green WARNING Limit value delay time runs Closed green yellow ALARM Limit value delay time expired Open red Fail Safe State 0 mA Open red yellow green De energized...

Страница 16: ...11 25 14 063 18 28 13 36 72 10 5 0 6 25 10 12 5 15 625 20 31 25 40 80 11 5 5 6 875 11 13 75 17 188 22 34 38 44 88 12 6 0 7 5 12 15 18 75 24 37 50 48 96 13 6 5 8 125 13 16 25 20 313 26 40 63 52 104 14...

Страница 17: ...cy range to be observed is between 10Hz 10kHz The signal ratio serves to diagnose the bearing status for roller bearings in line with the crest factor Norm DIN ISO 133373 3 categorises the roller bear...

Страница 18: ...It is recommended to consider changing the bearing 16 ILZK 20 Tab 9 Meaning of ranges and their output signal 14 Assembly and disassembly 14 1 General notes Assembly and disassembly work on and with...

Страница 19: ...ace Torque wrench SW 6 Screw the housing cover back onto the housing base and tighten to 5 Nm Torque wrench SW 8 Fastening on mounting surface 1 Tighten housing cover with torque wrench In order to av...

Страница 20: ...ening torque 5 Nm If EX certified monitoring is operated in a potentially explosive atmosphere there is otherwise an explosion hazard due to spark formation Protect the connection cable and any extens...

Страница 21: ...e earth connection is only ensured for versions with an M12 connector For variants with an integrated cable the alternative earthing concept cannot be used Fig 10 Alternative earthing concept 1 Machin...

Страница 22: ...eck power source and or supply Discontinuity in connecting cable Replace connecting cable Fuse defective Replace fuse Connection has incorrect polarity Connection of correct pole Vibration monitoring...

Страница 23: ...nst damaging environmental influences and against mechanical damage during transport The sensor must not be stored in ambient temperatures beyond the permitted operating temperature The product contai...

Страница 24: ...ECEx EACEx 01 ATEX IECEx EACEx Zone 1 21 02 ATEX IECEx EACEx Zone 2 22 Measuring range 8 8 mm s rms 10 10 mm s rms 16 16 mm s rms 20 20 mm s rms 25 25 mm s rms 32 32 mm s rms 50 50 mm s rms 64 64 mm s...

Страница 25: ...d IEC 60079 31 2013 7th ed We HAUBER Elektronik GmbH Fabrikstra e 6 72622 N rtingen Zizishausen Germany declare of our own accord that the product vibration sensor monitoring unit evaluation devices t...

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